ansys中导出的质量阵与刚度阵 看不懂啊~!
我从一个简单的四面体单元模型中提取了质量阵与刚度阵,结果如下:但是看不懂什么意思 请高手指点!
ROW 1 MATRIX 1
0.92546880E+11 -0.25240385E+110.25241473E+110.11778846E+110.16826923E+10
0.84134615E+10 -0.50480769E+10 -0.16826923E+100.16826923E+10 0.0000000
0.0000000 0.0000000 -0.60576923E+110.16826379E+110.33648406E+10
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.11778846E+11
-0.84134615E+10 -0.16826923E+10 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 -0.60574530E+11 -0.33648406E+10
-0.16828555E+11 -0.26923077E+110.33648406E+10 -0.33659287E+10 0.0000000
0.0000000 0.0000000 0.37018034E+110.16827467E+11 -0.16825291E+11
ROW 1 MATRIX 2
139929.97 0.0000000 0.0000000 15798.611 0.0000000
0.0000000 15798.611 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 50780.776 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 15798.611
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 49653.362 0.0000000
0.0000000 53037.574 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 24826.170 0.0000000 0.0000000
ROW 2 MATRIX 1
-0.25240385E+110.92546880E+11 -0.25240385E+11 -0.16826923E+10 -0.50480769E+10
-0.16826923E+100.16826923E+100.11778846E+11 -0.84134615E+10 0.0000000
0.0000000 0.0000000 0.16826379E+11 -0.60576923E+11 -0.33659287E+10
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 -0.84134615E+10
0.11778846E+110.16826923E+10 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.33659286E+10 -0.26920683E+11
0.33659286E+10 -0.33659287E+10 -0.60576923E+110.16826379E+11 0.0000000
0.0000000 0.0000000 0.16827467E+110.37018034E+110.16827467E+11
ROW 2 MATRIX 2
0.0000000 139929.97 0.0000000 0.0000000 15798.611
0.0000000 0.0000000 15798.611 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 50780.776 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
15798.611 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 0.0000000 49653.362
0.0000000 0.0000000 53037.574 0.0000000 0.0000000
0.0000000 0.0000000 0.0000000 24826.170 0.0000000
[ 本帖最后由 xuruikl 于 2008-4-9 15:23 编辑 ] 终于自己看明白了!
原来每个矩阵块的每行是组成一以行的!:victory: :victory: 楼主共享一下命令流吧。谢谢
ansys中导出的质量阵与刚度阵
命令流如下:/solu
antype,7
seopt,file1,2
nsel,all
m,all,all
solve
selist,file1,3 详细介绍下吧,我最近被难死了。。谢谢!lxin09@yahoo.cn 从质量与刚度矩阵中能分析什么呢? 呵呵,不错,有了单元质量和刚度矩阵就可以对某些单元进行优化操作了,但不知楼主还晓得如何导出模态分析中每个频率对应的振型啊? REST文件中应该可以提取振型 楼主赐教怎么把二进制文件(.mode)转换成文本文件? 还有你的矩阵是怎么倒出来的? l楼主,再详细介绍一下吧,小弟新手,不会
应该是用超单元得到的数据
应该是用超单元得到的数据,把所有自由度都定义为主自由度 计算后再列表显示缩聚后的刚度阵和质量阵 (不过它其实没有起到缩聚的作用,因为把所有自由度都定义为主自由度了) 这样做一般都是将质量阵还有刚度阵输出到一个文本里面,如果需要还要提取,当结构比较复杂时很使得读取较慢,怎么在ansys中直接将刚度阵还有质量阵存到一个参数矩阵中来计算呢? 楼主,我是新加的好友,想问问你导出的刚度矩阵怎么组成到一起PRINT CONTENTS OF SUPERELEMENT yongli
PRINT OPTION = 3
HEADER =
8 10 1 12 1
5718 11 10 10 0
1 0 0 0 1
0 0 1 5718 1587
0 1357 166 103 yong
li 0 0
922 926 965 978 1001
1014 1164 1344 1 939
952 98011585 0 0 3
0 0
419 0 0 0 0
0 0 0 0
HEADER SUMMARY:
NUMBER OF ROWS = 10
NUMBER OF MATRICES = 1
NUMBER OF EDGE PLOT LINES = 12
NUMBER OF DEGREES OF FREEDOM PER NODE = 1
NUMBER OF DEGREE OF FREEDOM INDICES = 10
NUMBER OF NODES = 10
NUMBER OF LOAD VECTORS = 1
NUMBER OF TRANSFORMATIONS = 0
BASE FILE NAME= yongli
MAXIMUM STIFFNESS= 0.11585E-01
DEGREES OF FREEDOM PER NODE =
21
DEGREES OF FREEDOM PER NODE LABELS =
VOLT
DEGREES OF FREEDOM AS GENERATED =
1725172717661779435043514353541354145560
REORDERED DOF POSITIONS =
1 4 3 2 8 9 6 5 10 7
ORIGINAL DOF ORDER =
1 2 3 4 5 6 7 8 9 10
DEGREE OF FREEDOM INDICES =
1725177917661727541354144351435055604353
TITLE =
NODES =
1725172717661779435043514353541354145560
NODE X Y Z THXY THYZ THXZ
1725 0.23322E-01 0.35548E-01-0.68309E-010.0000 0.0000 0.0000
1727 0.22953E-01 0.48489E-01-0.59330E-010.0000 0.0000 0.0000
1766 0.37247E-01 0.39005E-01-0.59873E-010.0000 0.0000 0.0000
1779 0.28139E-01 0.29443E-01-0.45236E-010.0000 0.0000 0.0000
4350 0.23138E-01 0.42018E-01-0.63819E-010.0000 0.0000 0.0000
4351 0.30285E-01 0.37276E-01-0.64091E-010.0000 0.0000 0.0000
4353 0.30100E-01 0.43747E-01-0.59602E-010.0000 0.0000 0.0000
5413 0.25730E-01 0.32495E-01-0.56772E-010.0000 0.0000 0.0000
5414 0.32693E-01 0.34224E-01-0.52555E-010.0000 0.0000 0.0000
5560 0.25546E-01 0.38966E-01-0.52283E-010.0000 0.0000 0.0000
EDGE PLOT DATA =
EDGE X1 Y1 Z1 X2 Y2 Z2
1 0.37247E-01 0.39005E-01-0.59873E-01 0.23322E-01 0.35548E-01-0.68309E-01
2 0.23322E-01 0.35548E-01-0.68309E-01 0.28139E-01 0.29443E-01-0.45236E-01
3 0.28139E-01 0.29443E-01-0.45236E-01 0.37247E-01 0.39005E-01-0.59873E-01
4 0.28139E-01 0.29443E-01-0.45236E-01 0.23322E-01 0.35548E-01-0.68309E-01
5 0.23322E-01 0.35548E-01-0.68309E-01 0.22953E-01 0.48489E-01-0.59330E-01
6 0.22953E-01 0.48489E-01-0.59330E-01 0.28139E-01 0.29443E-01-0.45236E-01
7 0.37247E-01 0.39005E-01-0.59873E-01 0.28139E-01 0.29443E-01-0.45236E-01
8 0.28139E-01 0.29443E-01-0.45236E-01 0.22953E-01 0.48489E-01-0.59330E-01
9 0.22953E-01 0.48489E-01-0.59330E-01 0.37247E-01 0.39005E-01-0.59873E-01
10 0.23322E-01 0.35548E-01-0.68309E-01 0.37247E-01 0.39005E-01-0.59873E-01
11 0.37247E-01 0.39005E-01-0.59873E-01 0.22953E-01 0.48489E-01-0.59330E-01
12 0.22953E-01 0.48489E-01-0.59330E-01 0.23322E-01 0.35548E-01-0.68309E-01
GLOBAL DOF SET =
55189 55253 56501 56917139189139221139285173205173237177909
GLOBAL DOF SET NODES, LABELS =
1725 VOLT 1727 VOLT 1766 VOLT 1779 VOLT 4350 VOLT
4351 VOLT 4353 VOLT 5413 VOLT 5414 VOLT 5560 VOLT
ROW 1 MATRIX 1
0.24433043E-020.44343424E-030.34883928E-030.22161239E-04 -0.21447375E-02
-0.18609526E-020.79227352E-03 -0.88091848E-030.37100052E-030.46559547E-03
ROW 2 MATRIX 1
0.44343424E-030.23149875E-020.27552483E-030.52703438E-04 -0.21019652E-02
0.71895907E-03 -0.15982370E-020.49613767E-030.32822827E-03 -0.92977282E-03
ROW 3 MATRIX 1
0.34883928E-030.27552483E-030.28559370E-020.32761489E-030.62436411E-03
-0.19984969E-02 -0.17785535E-020.67645417E-03 -0.19348237E-020.60313972E-03
ROW 4 MATRIX 1
0.22161239E-040.52703438E-040.32761489E-030.12074387E-020.74864677E-04
0.34977613E-030.38031833E-03 -0.46896328E-03 -0.13853242E-02 -0.56058988E-03
ROW 5 MATRIX 1
-0.21447375E-02 -0.21019652E-020.62436411E-030.74864677E-040.91413042E-02
-0.21155537E-02 -0.25799005E-020.97372963E-03 -0.27969152E-020.92480941E-03
ROW 6 MATRIX 1
-0.18609526E-020.71895907E-03 -0.19984969E-020.34977613E-03 -0.21155537E-02
0.11340596E-01 -0.22370143E-02 -0.84718218E-030.92480941E-03 -0.42749408E-02
ROW 7 MATRIX 1
0.79227352E-03 -0.15982370E-02 -0.17785535E-020.38031833E-03 -0.25799005E-02
-0.22370143E-020.11584933E-01 -0.46903674E-020.97372963E-03 -0.84718218E-03
ROW 8 MATRIX 1
-0.88091848E-030.49613767E-030.67645417E-03 -0.46896328E-030.97372963E-03
-0.84718218E-03 -0.46903674E-020.95580247E-02 -0.25799005E-02 -0.22370143E-02
ROW 9 MATRIX 1
0.37100052E-030.32822827E-03 -0.19348237E-02 -0.13853242E-02 -0.27969152E-02
0.92480941E-030.97372963E-03 -0.25799005E-020.82147494E-02 -0.21155537E-02
ROW 10 MATRIX 1
0.46559547E-03 -0.92977282E-030.60313972E-03 -0.56058988E-030.92480941E-03
-0.42749408E-02 -0.84718218E-03 -0.22370143E-02 -0.21155537E-020.89715091E-02
LOAD VECTOR 1
0.0000000 0.0000000 0.0000000 0.0000000 0.0000000
0.0000000 0.0000000 -0.10000000E-020.10000000E-02 0.0000000
并且好多都不知道是什么意思啊
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